Which organism forms the primary source of food for a deep-sea community at a hydrothermal vent?

A.

phytoplankton

B.

zooplankton

C.

all pelagic organisms

D.

giant tube worms

E.

chemosynthetic bacteria

What happens to the energy level of particles when melting occurs? A) It increases B) It decreases C) it stays the same D) It increases and decreases rapidly

Which of the following facts implies that humans and fish had a common ancestor? A. Both species are consumers. B. Both species have the ability to swim. C. Both species must expel waste materials. D.

What would happen if DNA was not replicated prior to cell division?

Animal cells and bacterial cells both may have all of the following cell structures except a. mitochondria. b. DNA. c. plasma membrane. d. flagella.

What can you infer if you find a coral fossil on land?

A small, dense planet made of rocky and metallic materials are called

What are some sources of oxygen

A longshore current flowing southwards along a coast will primarily transport sediments

How much does an elephant weigh?

Explain in your own words! The process of genetic engineering is?